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$423+ Cheap flights from Gatwick (LGW) to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SEA
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Cheap flight deals from Gatwick to Washington

Cheapest flights from Gatwick to Washington
Explore the most affordable flight options available from Gatwick to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

This Mytrip deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:45 pmLGW - SEA
2 stops27h 55mMultiple Airlines
Sun 1/42:35 pmSEA - LGW
2 stops17h 20mMultiple Airlines
Deal found 12/20$1,168
This Kiwi.com deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:05 amLGW - SEA
1 stop17h 15mMultiple Airlines
Tue 12/306:39 pmSEA - LGW
2 stops32h 31mMultiple Airlines
Deal found 12/19$1,218
This SWISS deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:40 pmLGW - SEA
2 stops34h 27mSWISS
Wed 9/301:45 pmSEA - LGW
2 stops20h 05mSWISS
Deal found 12/20$1,231
This Cheapflightsfares deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:55 amLGW - SEA
1 stop13h 05mIcelandair
Thu 12/252:35 pmSEA - LGW
1 stop12h 20mIcelandair
Deal found 12/20$1,238
This Mytrip deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:45 pmLGW - SEA
2 stops27h 55mMultiple Airlines
Sun 12/282:35 pmSEA - LGW
2 stops20h 15mMultiple Airlines
Deal found 12/20$1,258
This Kiwi.com deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:00 amLGW - SEA
2 stops42h 05mMultiple Airlines
Wed 1/72:35 pmSEA - LGW
1 stop12h 20mMultiple Airlines
Deal found 12/19$1,263
This SWISS deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:40 pmLGW - SEA
2 stops34h 27mSWISS
Fri 10/21:20 pmSEA - LGW
2 stops20h 30mSWISS
Deal found 12/20$1,271
This Kiwi.com deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:40 amLGW - SEA
1 stop16h 40mMultiple Airlines
Sun 1/48:05 pmSEA - LGW
1 stop11h 50mMultiple Airlines
Deal found 12/19$1,286
This Icelandair deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:55 amLGW - SEA
1 stop13h 05mIcelandair
Sun 10/47:00 pmSEA - LGW
1 stop11h 40mIcelandair
Deal found 12/20$1,301
This Icelandair deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:55 amLGW - SEA
1 stop13h 05mIcelandair
Mon 9/287:00 pmSEA - LGW
1 stop11h 40mIcelandair
Deal found 12/20$1,308
This Mytrip deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:30 amLGW - SEA
2 stops17h 10mMultiple Airlines
Mon 1/52:35 pmSEA - LGW
2 stops22h 25mMultiple Airlines
Deal found 12/18$1,311
This Mytrip deal was found by Cheapflights users on 12/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:30 amLGW - PDX
3 stops38h 10mMultiple Airlines
Fri 1/97:00 pmPDX - LGW
3 stops30h 45mMultiple Airlines
Deal found 12/19$1,515

Find flight deals from Gatwick to Washington

Keep the following information in mind while searching for Gatwick to Washington flight deals. Data was last updated December 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$597
(The Travel House)

One-way from

$423
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$853
Provider with most accurate pricing for London (LON)-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Seattle/Tacoma Intl flights.
Search Deals
From London Gatwick to Washington
Search Deals
One-way flight from London Gatwick to Washington
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gatwick to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 21, 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Washington that are best for you.

Fly from

Gatwick

Fly to

Washington

Route

Depart

Return

Price

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 3/19

11:55 am-6:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Thu 3/26

3:35 pm-10:55 am

1 stop12h 20m

$623

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Fri 2/13

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Thu 2/19

2:35 pm-10:55 am

1 stop12h 20m

$657

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 3/10

1:00 pm-10:28 am

1 stop28h 28m

Seattle/Tacoma Intl

Tue 3/17

10:51 pm-6:00 am

1 stop24h 09m

$672

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Sat 4/18

3:40 pm-6:00 pm

1 stop34h 20m

Portland

Sat 4/25

3:30 pm-2:40 pm

1 stop15h 10m

$672

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Thu 4/16

3:40 pm-6:00 pm

1 stop34h 20m

Portland

Mon 5/4

3:30 pm-11:45 am

1 stop12h 15m

$684

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 2/3

1:00 pm-10:26 am

1 stop29h 26m

Seattle/Tacoma Intl

Tue 2/10

7:00 am-6:00 am

1 stop15h 00m

$705

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 2/9

11:55 am-8:39 pm

2 stops16h 44m

Seattle/Tacoma Intl

Mon 2/23

2:35 pm-10:55 am

1 stop12h 20m

$721

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 2/4

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Wed 2/11

11:00 am-10:55 am

2 stops15h 55m

$721

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 2/9

11:55 am-8:39 pm

2 stops16h 44m

Seattle/Tacoma Intl

Mon 2/23

2:35 pm-10:55 am

1 stop12h 20m

$721

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 1/22

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Mon 1/26

7:55 pm-10:55 am

2 stops31h 00m

$721

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 44 results
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Best time to book a flight from Gatwick to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Gatwick with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Gatwick Airport to Washington

What is the cheapest month to book a flight from London Gatwick Airport to State of Washington?

Currently, March is the cheapest month in which you can book a flight from London Gatwick Airport to State of Washington (average of $408). Flying from London Gatwick Airport to State of Washington in August is currently the most expensive (average of $752). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated December 21, 2025.
Read reviews from past customers who have flown Icelandair from London Gatwick Airport to Washington. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
592 reviews

Overall

7.0

Boarding

7.2

Food

6.2

Crew

8.0

Entertainment

7.0

Comfort

6.9

Reviews

1 / 20
8.0
Excellent

Dmitry,Oct 2025

KEF - EWR

It was a nice experience, the plane was clean and the crew was friendly. The boarding process went smoothly and there were no delays.
Icelandair
7.0
Good
592 reviews
Icelandair
7.0
Good
592 reviews

Overall

7.0

Boarding

7.2

Food

6.2

Crew

8.0

Entertainment

7.0

Comfort

6.9

Reviews

1 / 20
8.0
Excellent

Dmitry,Oct 2025

KEF - EWR

It was a nice experience, the plane was clean and the crew was friendly. The boarding process went smoothly and there were no delays.

Related info for your journey

Find useful and relevant information for your journey from Gatwick to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Gatwick Airport to State of Washington?

    There are many flights that can get you from London Gatwick Airport to State of Washington in 13h 05m. Fly via Icelandair or Iberia to get the fastest option. London Gatwick Airport and State of Washington are separated by a distance of 4807 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from London Gatwick Airport to State of Washington?

    While some choose either London Gatwick - Portland or London Gatwick - Spokane, London Gatwick - Seattle/Tacoma Intl is the most popular route from London Gatwick Airport to State of Washington.

  • Can I find deals for flights from Gatwick to Washington that include hotel bookings?

    Yes. In addition to deals on Gatwick to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Washington.

  • Can I find deals for business class flights from Gatwick to Washington?

    Yes. Cheapflights offers flight deals from Gatwick to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Gatwick Airport to State of Washington?

    Currently, March is the cheapest month in which you can book a flight from London Gatwick Airport to State of Washington (average of $408). Flying from London Gatwick Airport to State of Washington in August is currently the most expensive (average of $752). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Gatwick to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Gatwick to Washington

Discover the top airline that operate flights from Gatwick to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$418Average$899FlexibilityNo cancel feeOn-time76%

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